Opens automatically, with spring and adjusting screw V-shaped cutting jaws for stripping the plastic insulation of single- and multi-core conductors Adjuster and counter screws for easy setting to the desired wire or flex diameter For 0.8 - 6.0 mm wires2 Gedore special hardened and tempered steel, drop-forged, oil-hardened and annealed JC = chrome-plated, 2-component handles with secure-grip hand protection TL = clear varnished, with blue dipped handle protectors